CN104604018A - Battery module assembly - Google Patents
Battery module assembly Download PDFInfo
- Publication number
- CN104604018A CN104604018A CN201380043980.7A CN201380043980A CN104604018A CN 104604018 A CN104604018 A CN 104604018A CN 201380043980 A CN201380043980 A CN 201380043980A CN 104604018 A CN104604018 A CN 104604018A
- Authority
- CN
- China
- Prior art keywords
- battery module
- heat pipe
- coldplate
- battery
- cooling segment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6552—Closed pipes transferring heat by thermal conductivity or phase transition, e.g. heat pipes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/0233—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes the conduits having a particular shape, e.g. non-circular cross-section, annular
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/0275—Arrangements for coupling heat-pipes together or with other structures, e.g. with base blocks; Heat pipe cores
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
- H01M10/647—Prismatic or flat cells, e.g. pouch cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6569—Fluids undergoing a liquid-gas phase change or transition, e.g. evaporation or condensation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
A battery module assembly according to one embodiment of the present invention includes: a heat pipe having a battery module in which a plurality of battery cells are stacked in one direction, a coupling part which is in contact with and coupled to the side surface part of the battery module, and a cooling part which extends from the coupling part so as to project away from the battery module; and a cooling plate, one surface of which is in contact with and coupled to the cooling part of the heat pipe. A cooling passage may be formed on the other surface of the cooling plate. According to the present invention, heat generated from the battery module including the battery cell can be cooled effectively.
Description
Technical field
The present invention relates to battery module assembly.
Background technology
Along with the mobile electronic devices such as such as video camera, mobile phone, mobile computer are more and more lighter and handier and multi-functional, have studied energetically and the technology being used as to drive the storage battery of the power supply of these mobile devices (secondary cell) relevant.Such as, storage battery comprises nickel-cadmium cell, Ni-MH battery, nickel-zinc cell, lithium storage battery.In these batteries, owing to having, lithium storage battery can form that various sizes, operating voltage are high, energy density advantages of higher, be therefore widely used.
According to the open No.2005-0069075 of korean patent application, because chargeable storage is considered to tackle the air-polluting solution using the existing gasoline car, diesel vehicle etc. of fossil fuel to cause, therefore chargeable storage recently as electric motor car (EV), hybrid electric vehicle (HEV), plug-in hybrid electric vehicle (P-HEV) etc. driving power and receive publicity.Different from small type mobile devices, according to required power output, interconnective medium-sized or large-sized battery module is used for the medium-sized or main equipments such as such as vehicle to many battery units.
Traditionally, various cooling system has been employed to disperse the heat produced by the battery module containing secondary battery unit.Specifically, there is a kind of air cooling system, wherein battery unit is stacking, between battery unit, have gap, in gap, form air duct.Because air duct is narrow, so this air cooling system has the low shortcoming of cooling effectiveness.In addition, because only utilize the gap of the finite size between stacked battery cells to cool, so be difficult to disperse the heat produced by battery unit effectively, fully.Therefore, significantly reduce the operating characteristics of the device using battery unit or drive stability.
Summary of the invention
Technical problem
Therefore, consider the above-mentioned problems in the prior art and propose the present invention, the object of this invention is to provide a kind of battery module assembly, this battery module assembly by being mounted to there is the heat pipe of the exterior surface of the battery module of battery unit to transmit with stacking the heat produced from battery unit, and utilizes coldplate to disperse the heat transmitted by heat pipe.This battery module assembly improves cooling effectiveness and reliability, thus improves the operating characteristics of the equipment using battery module.
Technical scheme
To achieve these goals, provide a kind of battery module assembly on the one hand, comprising: battery module, along a stacking multiple battery unit in direction in described battery module; Heat pipe, described heat pipe comprises: contact and the coupling part connected with the side surface of described battery module, and from the extension of described coupling part and from the outwardly directed cooling segment of the side surface of described battery module; Coldplate, described coldplate has and contacts and the first first type surface connected with the cooling segment of described heat pipe, and is wherein formed with the second first type surface of cooling duct.
In described battery module, multiple battery unit along laterally stacking, can make the first type surface surface contact each other of described battery unit.
Described heat pipe can have at least one or more fluid bore that cooling agent flows through.
Described heat pipe can be mounted to contact with lower surface with the surface, left and right of described battery module and connect.
The cooling segment of described heat pipe can from the extension of described coupling part and from described coupling part radially outward bending along described battery module.
Described coldplate can comprise the first coldplate and the second coldplate, wherein, first first type surface of described first coldplate is connected with the first first type surface of described cooling segment, first first type surface of described second coldplate is connected with the second first type surface of described cooling segment, and described cooling duct is respectively formed in the second first type surface of described first coldplate and the second first type surface of described second coldplate.
The side surface of described heat pipe and described battery module is interconnected by heat conductive filler.
In described battery module, the battery unit that described battery unit can be stacking and stacking can be interconnected by heat conductive filler.
Described battery unit can be next door shape storage battery.
Cooling agent can flow through described heat pipe, and the heat that described battery module produces can be passed to described cooling segment by coolant phase change.
Described heat pipe can be formed by parts and surround each surface comprising surface, left and right and lower surface of described battery module.
Described heat pipe can comprise: the first heat pipe, and described first heat pipe is parts and surrounds the first side surface of described battery module and a part of lower surface; Second heat pipe, described second heat pipe is parts and surrounds the second side surface of described battery module and a part of lower surface, wherein, on the lower surface, has gap between the end of described first heat pipe and the end of described second heat pipe.
Provide a kind of battery module assembly on the other hand, comprising: battery module, along a stacking multiple battery unit in direction in described battery module; Module housing, battery module described in described module enclosures house and there is thermal conductivity; First heat pipe, described first heat pipe comprises the first pontes and the first cooling segment, the first pontes contacts with the first side surface of described module housing and connects, and the first cooling segment to extend and protruding from the first side surface of described module housing from described the first pontes; Second heat pipe, described second heat pipe comprises the second coupling part and the second cooling segment, second coupling part contacts with the second side surface of described module housing and connects, the second cooling segment from described second coupling part extend and protruding from the second side surface of described module housing; First coldplate, described first coldplate has with the first major surface contacts of described first cooling segment and the first first type surface be connected and the second first type surface being wherein formed with the first cooling duct; And second coldplate, described second coldplate has with the first major surface contacts of described second cooling segment and the first first type surface be connected and the second first type surface being wherein formed with the second cooling duct.
Described battery module assembly can also comprise supporting bracket, is mounted to the end covering described first heat pipe and described second heat pipe below the lower surface that described supporting bracket is arranged in described module housing.
Described first cooling segment and described second cooling segment can extend from described first heat pipe and described second heat pipe respectively, and are bent outwardly from described module housing and stretch out
Described module housing can be aluminium shell.
In described battery module, multiple battery unit along laterally stacking, can make the first type surface surface contact each other of described battery unit.
First coldplate can comprise with the first major surface contacts of described first cooling segment and coldplate on is connected first, and the first time coldplate be also connected with the second major surface contacts of described first cooling segment; And the second coldplate comprises with the first major surface contacts of described second cooling segment and coldplate on is connected second, and the second time coldplate be also connected with the second major surface contacts of described second cooling segment.
Described first heat pipe and described second heat pipe can be connected by the first side surface of heat conductive filler and described module housing and the second side surface.
In described battery module, the battery unit that battery unit can be stacking and stacking can be connected to each other by heat conductive filler.
Described battery unit can be next door shape storage battery.
Cooling agent can flow through the fluid bore be formed in the first heat pipe and the second heat pipe, and the heat that described battery module produces can be passed to described first cooling segment and described second cooling segment by the phase transformation of cooling agent.
Above and other object of the present invention, feature and advantage more clearly will be understood by the detailed description below in conjunction with accompanying drawing.
The all terms used in the specification and in the claims or word are all identical with the implication that arbitrary those of ordinary skill of concept art of the present invention is understood usually.Unless it is to be further understood that and point out clearly in this article, otherwise the term defined in general dictionary should be interpreted as the implication consistent with correlation technique linguistic context, and is not taken in idealized or too formal meaning and makes an explanation.
Beneficial effect
According to the present invention, the advantage that battery module assembly has is: effectively disperse the heat produced by the battery module comprising battery unit wherein.
In addition, because at least one or more battery unit overlies one another in the mode of surface contact each other, so can transferring heat effectively by the heat pipe that contacts with the intimate of battery module.
In addition, because coldplate is connected with the cooling segment of heat pipe and wherein has cooling duct, so when the heat that battery unit produces is passed to cooling segment (it is arranged in the outer end place of the heat pipe that cold water flow passes through) by heat pipe, can cool batteries module effectively.
In addition, the heat pipe transmitting the heat that battery unit produces is formed as plate, and wherein there is multiple fluid bore, thus more effective heat trnasfer can be realized.
In addition, when multiple battery unit is stacking its first type surface is contacted with each other time because each battery unit is connected to each other by heat conductive filler, so heat can be realized more effectively to be passed to the heat pipe with the exterior surface of battery module.This improves the cooling effectiveness of battery module.
In addition, heat pipe is cooled by the cooling duct be formed in the coldplate that is connected with heat pipe.In addition, because by utilizing circulating chilled water to cool heat pipe by the water-cooling system of closed loop passage, so can more stably cool batteries module.
In addition, because be included in the heat that the battery unit in battery module produces to be efficiently transmitted to heat pipe, and utilize coldplate to cool the heat of transmission, so can improve and ensure the service behaviour of the equipment applying battery module and drive stability.
In addition, because the manufacture of battery module becomes simple, so the lead time of battery module assembly can be reduced, thus add the productivity ratio of battery module assembly.
Accompanying drawing explanation
Fig. 1 is the stereogram of the stacking direction illustrated according to battery unit of the present invention;
Fig. 2 is the stereogram that battery module assembly is according to an embodiment of the invention shown;
Fig. 3 is the cutaway view intercepted along the line A-A of Fig. 2;
Fig. 4 is the stereogram that battery module assembly is in accordance with another embodiment of the present invention shown;
Fig. 5 is the cutaway view intercepted along the line B-B of Fig. 4;
Fig. 6 is the exploded perspective view that battery module assembly is in accordance with another embodiment of the present invention shown;
Fig. 7 is the cutaway view of the battery module assembly illustrated according to the embodiment of the present invention;
Fig. 8 is the stereogram of the syndeton that coldplate is according to an embodiment of the invention shown;
Fig. 9 is the stereogram of the syndeton that coldplate is in accordance with another embodiment of the present invention shown; And
Figure 10 is the stereogram of the syndeton that coldplate is in accordance with another embodiment of the present invention shown.
Embodiment
By above and other object of the present invention, other advantages of characteristic sum more clearly will be understood below in conjunction with the detailed description of accompanying drawing.For Reference numeral relevant with parts in accompanying drawing, it should be noted that Reference numeral identical in the accompanying drawings will represent same or analogous parts.Should be understood that, although use term " side ", " opposite side ", " first ", " second " etc. to state each element in this article, these elements not should limit by these terms.These terms are only for distinguishing an element and another element.In the description, the details of known features and technology will be omitted, to avoid unnecessary the obscuring to the embodiment of the present invention.
Below, by reference to the accompanying drawings embodiments of the invention will be described.
Fig. 1 is the stereogram of the stacking direction illustrated according to battery unit of the present invention; Fig. 2 is the stereogram that battery module assembly is according to an embodiment of the invention shown; Fig. 3 is the cutaway view intercepted along the line A-A of Fig. 2; Fig. 4 is the stereogram that battery module assembly is in accordance with another embodiment of the present invention shown; Fig. 5 is the cutaway view intercepted along the line B-B of Fig. 4.
Battery module assembly comprises according to an embodiment of the invention: battery module 10, along a stacking multiple battery unit 11 in direction in battery module 10; Heat pipe 20, it has and contacts and the coupling part 21 connected with the side surface of battery module 10, and extends from coupling part 21 and from the outwardly directed cooling segment 22 of the side surface of battery module 10; And coldplate 30, it has the first first type surface be connected with cooling segment 22 and the second first type surface being wherein formed with cooling duct 33.
Each battery unit 11 included in the battery module 10 of battery module assembly according to the present invention can be the chargeable storage that can discharge and charge, such as lithium storage battery or nickel-hydrogen accumulator.But battery unit is not limited to these storage batterys.Those skilled in the art will appreciate that can the various storage battery of choice and operation as battery unit, as long as selected storage battery can charge.Such as, nickel-hydrogen accumulator be nickel as anode material, hydrogen storage alloy as cathode material alkaline aqueous solution as electrolytical storage battery.Nickel-hydrogen accumulator per unit volume has larger capacity.Therefore, the energy source of electric motor car (EV) or hybrid electric vehicle (HEV) is suitable as.Specifically, lithium storage battery uses metal oxide (such as, LiCoO
2) as active material of positive electrode, use material with carbon element as active material of cathode, and comprise the porous polymer dividing plate between anode and negative electrode.Lithium storage battery also comprises between the anode and the cathode containing lithium salts (such as, LiPF
6) non-aqueous electrolytic solution.In charging process, lithium ion discharges from active material of positive electrode and moves to negative electrode carbon-coating.On the contrary, in discharge process, lithium ion discharges from negative electrode carbon-coating and moves to active material of positive electrode.Non-aqueous electrolytic solution is used as the lithium ion mobile medium passed through between the anode and the cathode.The energy density of lithium ion battery is high, operating voltage is high and storge quality is good.Various electronic product be applied or be used in lithium ion battery can, and can be used as the energy source of EV or HEV.
Lithium storage battery can be rectangular cell or next door shape (pouch-shaped) battery, comprises the next door shape shell of electrod assembly and hold electrodes parts.Next door shape shell can by preparing metal sheet (such as, thin aluminum sheet) and being formed by the insulation processing processing to make it insulate to the surface of metal sheet.By will distortion polypropylene (polymer resin) (such as, cast polypropylene (Casted Polypropylene, CPP)) be applied on the surface as hot melt melting layer and form resin bed (such as, PETG (PET) or nylon) from the teeth outwards and carry out insulation processing.Only for lithium storage battery, this structure is described.Therefore, those skilled in the art should recognize, this structure can change according to the shape of battery and type.
Battery unit 11 can be the storage battery of various shape, such as above-mentioned rectangular cell or next door shape battery.With reference to Fig. 1, the example using next door shape battery unit is described.As shown in Figure 1, battery unit 11 is stacked into its first type surface 11a and contacts with each other, thus forms battery module 10.Because battery unit 11 is interconnected make its first type surface 11a toward each other, so the heat that battery unit 11 produces more easily is delivered to the wherein stacking outer surface having the battery module 10 of battery unit 11.Due to this stack manner of battery unit 11, battery module 10 can be cooled by heat pipe 20 and coldplate 30.When battery unit 11 be stacked into its first type surface 11a contact with each other time, battery unit 11 can be connected to each other with double faced adhesive tape.As selection, battery unit 11 can be connected to each other with heat conductive filler so that can heat conduction smoothly.In a battery module 10, stacking battery unit 11 can along transversely arranged, and its first type surface toward each other.
Heat pipe 20 comprises coupling part 21 and cooling segment 22, and coupling part 21 contacts with the outer surface of battery module 10 and connects, and cooling segment 22 extends from coupling part 21 and protruding from the side surface of battery module 10.Coupling part 21 and cooling segment 22 can be made into parts, or can be prepared to the multiple independent part that can be assembled into a combiner.When heat pipe 20 is connected to lower surface and the surface, left and right of battery module 10, can connect to improve heat-conducting effect by heat conductive filler.Various filler such as such as thermally conductive grease or heat-conducting pad etc. can be used as this heat conductive filler.
As shown in Figure 2, the coupling part 21 of heat pipe 20 is mounted to surround the wherein stacking surface, left and right having the battery module 10 of battery unit 11 in the mode of surface contact.Preferably, heat pipe 20 is connected in the mode of surface contact with the surface, left and right of battery module 10, thus easily transmits the heat that battery unit 11 produces.
As shown in Figure 2, the cooling segment 22 of heat pipe 20 extends from the side surface of the encirclement battery module 10 of heat pipe 20 and the coupling part 21 of lower surface, and cooling segment 22 stretches out from the side surface of battery module 10.The heat that battery unit 11 produces is passed to cooling segment 22 via coupling part 21, is then cooled by coldplate 30.As shown in Figures 2 and 3, cooling segment 22 is from coupling part 21 radially outward bending along battery module 10.That is, cooling segment 22 extends from coupling part 21.According to the shape of battery module 10, coupling part 21 and cooling segment 22 can be made into parts, or can be made into the multiple independent part that can be assembled into a combiner after a while.
As shown in Figure 4 and Figure 5, heat pipe 20 can be made into multiple separate part: the first heat pipe 20a contacted with a part of lower surface with the left surface of battery module 10, and the second heat pipe 20b contacted with another part lower surface with the right surface of battery module 10.At the middle part of the lower surface of battery module 10, between the first heat pipe 20a and the second heat pipe 20b, form gap S.That is, respectively can the more effectively heat that produces of cool batteries unit 11 at the coupling part 21 on left side and right side and cooling segment 22.
As shown in Figure 2, coldplate 30 can be made into a major surface contacts with the cooling segment 22 of heat pipe 20.First first type surface of coldplate 30 contacts with the upper surface of cooling segment 22, and the inside of coldplate 30 has the cooling duct 33 of the heat for dispersing cooling segment 22.Cooling duct 33 can be closed loop passage and can be cooled by water-cooling method.When during battery module 10 is arranged on vehicle etc., the cooling water used in vehicle can be used as the cooling water for cooling cooling segment 22.In order to be connected on the cooling segment 22 of heat pipe 20 by coldplate 30, as shown in Figure 2, coldplate 30 can have link slot 34, and cooling segment 22 can be inserted in link slot 34.But those skilled in the art should recognize, any method of attachment can be adopted, as long as be inserted into mode in coldplate 30 to connect coldplate 30 with cooling segment 22.Such as, as shown in Fig. 2 to Fig. 9, link slot 34 is formed in coldplate 30, and cooling segment 22 can be inserted in link slot 34.As selection, as shown in Figure 10, coldplate can have stepped portion 34a with cooling segment 22 surface contact.
As shown in Figure 8 and Figure 9, cooling duct 33 can be had in coldplate 30.Because cooling duct 33 is formed in coldplate 30, so can prevent cooling duct 33 from damaging due to external impact or vibration or being out of shape.
As shown in Figure 8, heat pipe 20 can be plate shape heat pipe 20, can be provided with multiple fluid bore 23 that cooling agent flows through in heat pipe 20 inside.Because circulate coolant is by fluid bore 23, so the heat that battery unit 11 produces is efficiently transmitted to the cooling segment 22 of heat pipe 20.Specifically, heat pipe 20 has the outer surface of the battery module 10 of multiple battery unit 11 to contact with lower surface with wherein stacking, and receives the heat of battery unit 11 generation.The cooling agent contained in the fluid bore 23 formed in the coupling part 21 of heat pipe 20 absorbs the heat of generation and evaporates.The core of the fluid bore 23 that the cooling agent of vaporizing is formed in heat pipe 20 moves to the cooling segment 22 of heat pipe 20 with gaseous state.Cooling agent in heat pipe 20 to cool and in cooling segment 22 condensation of heat pipe 20 along with cooled plate 30, and transfers liquid condition to.Now, the madial wall of fluid bore 23 that the cooling agent of condensation is formed in heat pipe 20 moves back to the coupling part 21 of heat pipe 20.Along with this process of repetition, the heat that battery unit 11 produces is passed to the cooling segment 22 of heat pipe 20 from coupling part 21, and the heat then the transmitted plate 30 that is cooled cools.
As shown in Figure 8, coldplate 30 can be arranged in the side of the cooling segment 22 of heat pipe 20.As selection, coldplate 30 can be arranged in the both sides of cooling segment 22.In this case, cooling segment 22 can more effectively be cooled.Specifically, coldplate 30 can be made up of upper coldplate 30a and lower coldplate 30b.First first type surface of upper coldplate 30a can be connected with the first first type surface of cooling segment 22, and first first type surface of lower coldplate 30b can be connected with the second first type surface of cooling segment 22.In second first type surface of upper coldplate 30a and lower coldplate 30b, form cooling duct 33, thus can water-cooled be carried out.
Fig. 6 is the exploded perspective view of the battery module assembly that battery module 10 is according to another embodiment of the present invention shown; Fig. 7 illustrates the cutaway view of the battery module assembly of the battery module 10 according to the embodiment of the present invention.
Battery module assembly according to the present embodiment comprises: battery module 10, and stacking along direction in battery module 10 have multiple battery unit 11; Module housing 40, it holds battery module 10 and has thermal conductivity; First heat pipe 20a, it comprises the first pontes 21a and the first cooling segment 22a, the first pontes 21a contacts with the first side surface of module housing 40 and connects, the first cooling segment 22a from the first pontes 21a extend and protruding from the first side surface of module housing 40; Second heat pipe 20b, it comprises the second coupling part 21b and the second cooling segment 22b, and the second coupling part 21b contacts with the second side surface of module housing 40 and connects, and the second cooling segment 22b is protruding from the second side surface of module housing 40; First coldplate 31, it has and the first first type surface of first major surface contacts of the first cooling segment 22a and the second first type surface being wherein formed with the first cooling duct 33a; And second coldplate 32, it has with first major surface contacts of the second cooling segment 22b and the first first type surface be connected and the second first type surface being wherein formed with the second cooling duct 33b.
The present embodiment be according to the difference of the battery module assembly of the battery module 10 of aforementioned enforcement: the present embodiment also comprises the module housing 40 holding battery module 10.Therefore, the first heat pipe 20a and the second heat pipe 20b on the surface, left and right of module housing 40 is surrounded in preparation respectively.In addition, form heat pipe 20 separately and be arranged in the left and right sides of the module housing 40 holding battery module 10.Supporting bracket 50 can the lower surface of supporting module shell and heat pipe.In the description of the parts to the present embodiment, the description to the parts provided in conjunction with previous embodiment will be omitted.
As described above, battery unit 11 can be the storage battery of next door shape or prismatic cell or other shapes.As shown in Figure 1, the present embodiment is also to use next door shape battery unit.By omit about this point more details to avoid repeated description.
Module housing 40 is held battery module 10 and is made up of Heat Conduction Material.Specifically, aluminium shell can be used as module housing 40, but the material of module housing 40 is not limited thereto.Any material can be used, as long as have thermal conductivity.As shown in Figure 6, module housing 40 is configured to hold battery module 10.Specifically, the feature of the present embodiment is: heat pipe 20 is connected with the side surface of the module housing 40 accommodating battery module 10.
Heat pipe 20 comprises the first heat pipe 20a and the second heat pipe 20b.
First heat pipe 20a comprises the first pontes 21a and the first cooling segment 22a, the first pontes 21a contacts with the first side surface of module housing 40 and connects, the first cooling segment 22a from the first pontes 21a extend and protruding from the first side surface of module housing 40.First side surface close contact of the first pontes 21a and module housing 40, to transmit the heat that battery unit 11 produces.When the first pontes 21a to contact with the first side surface of module housing 40 and transmits the heat that battery unit 11 produces, cool this heat by the first cooling segment 22a be connected with the first pontes 21a.The first cooling segment 22a can be cooled by the first coldplate 31 being wherein formed with cooling duct.
Second heat pipe 20b comprises the second coupling part 21b and the second cooling segment 22b, second coupling part 21b contacts with the second side surface of module housing 40 and connects, the second cooling segment 22b from second coupling part 21b extend and protruding from the second side surface of module housing 40.Second side surface close contact of the second coupling part 21b and module housing 40, to transmit the heat that battery unit 11 produces.When the second coupling part 21b to contact with the second side surface of module housing 40 and transmits the heat that battery unit 11 produces, cool this heat by the second cooling segment 22b be connected with the second coupling part 21b.The second cooling segment 22b can be cooled by the second coldplate 32 being wherein formed with cooling duct 33 described below.When heat pipe 20 is connected with the surface, left and right of module housing 40, heat conductive filler can be used to connect.
Because the internal structure of heat pipe 20 is identical with previous embodiment with heat transfer method, describe in detail so omit it.
Coldplate 30 comprises: the first coldplate 31, and it has and the first first type surface of first major surface contacts of the first cooling segment 22a and the second first type surface being wherein formed with the first cooling duct 33a; And second coldplate 32, it has and the first first type surface of first major surface contacts of the second cooling segment 22b and the second first type surface being wherein formed with the second cooling duct 33b.By contacting the first coldplate 31 of carrying out cooling respectively with the second cooling segment 22b with the first cooling segment 22a and the second coldplate 32 is formed accordingly with the heat pipe comprising the first heat pipe 20a and the second heat pipe 20b.The operation principle described is: the be cooled cooling duct 33 of plate 30 of the heat of transmission cools, and the cold water of condensation turns back to the coupling part 21 of heat pipe 20.In addition, as described above, naturally should be understood that, as shown in Figure 8 and Figure 9, coldplate 30 can be connected with the upper surface of the cooling segment 22 of heat pipe 20 and lower surface.Because to identical with the description of the coldplate 30 of the assembly to the battery module 10 according to previous embodiment with the detailed description of the second coldplate 32 according to first coldplate 31 of the present embodiment, so the descriptions thereof are omitted.
Supporting bracket 50 can connect and cover the lower surface of module housing 40 and the lower surface of the first and second heat pipe 20a and 20b that hold battery module 10.As shown in Figure 6 and Figure 7, supporting bracket 50 is connected with the lower surface of module housing 40.Supporting bracket 50 is made up of non-thermally conductive material.Any material can be used as supporting bracket 50, as long as can support cells module 10.
Although describe the present invention in detail with reference to specific embodiment, these embodiments only for purposes of illustration.Therefore, battery module assembly according to the present invention is not limited to these embodiments, those skilled in the art will appreciate that when not departing from scope and spirit of the present invention disclosed in claims on the contrary, can carry out various amendment, increase and replacement.
In addition, simple change of the present invention and amendment are believed to comprise within scope and spirit of the present invention, and protection scope of the present invention will be defined by the following claims.
The explanation > of the Reference numeral in < accompanying drawing
10: battery module
11: battery unit
11a: the first type surface of battery unit
20: heat pipe
21: coupling part
22: cooling segment
20a: the first heat pipe
20b: the second heat pipe
21a: the first pontes
21b: the second coupling part
22a: the first cooling segment
22b: the second cooling segment
23: fluid bore
30: coldplate
30a: upper coldplate
30b: lower coldplate
31: the first coldplates
32: the second coldplates
33: cooling duct
33a: the first cooling duct
33b: the second cooling duct
34: link slot
34a: stepped portion
40: module housing
50: supporting bracket
Claims (22)
1. a battery module assembly, comprising:
Battery module, along a stacking multiple battery unit in direction in described battery module;
Heat pipe, described heat pipe comprises: contact and the coupling part connected with the side surface of described battery module, and from the extension of described coupling part and from the outwardly directed cooling segment of the side surface of described battery module;
Coldplate, described coldplate has and contacts and the first first type surface connected with the cooling segment of described heat pipe, and is wherein formed with the second first type surface of cooling duct.
2. battery module assembly according to claim 1, wherein, in described battery module, described multiple battery unit, along laterally stacking, makes the first type surface surface contact each other of described battery unit.
3. battery module assembly according to claim 1, wherein, described heat pipe has at least one or more fluid bore that cooling agent flows through.
4. battery module assembly according to claim 1, wherein, described heat pipe is mounted to contact with lower surface with the surface, left and right of described battery module and connect.
5. battery module assembly according to claim 1, wherein, the cooling segment of described heat pipe is from the extension of described coupling part and from described coupling part radially outward bending along described battery module.
6. battery module assembly according to claim 1, wherein,
Described coldplate comprises the first coldplate and the second coldplate;
First first type surface of described first coldplate is connected with the first first type surface of described cooling segment;
First first type surface of described second coldplate is connected with the second first type surface of described cooling segment; And
Described cooling duct is respectively formed in the second first type surface of described first coldplate and the second first type surface of described second coldplate.
7. battery module assembly according to claim 1, wherein, the side surface of described heat pipe and described battery module is interconnected by heat conductive filler.
8. battery module assembly according to claim 1, wherein, in described battery module, the stacking and stacking battery unit of each battery unit is interconnected by heat conductive filler.
9. battery module assembly according to claim 1, wherein, described battery unit is next door shape storage battery.
10. battery module assembly according to claim 1, wherein, cooling agent flows through described heat pipe, and the heat that described battery module produces is passed to described cooling segment by coolant phase change.
11. battery module assemblies according to claim 1, wherein, described heat pipe is formed by parts and surrounds each surface comprising surface, left and right and lower surface of described battery module.
12. battery module assemblies according to claim 1, wherein, described heat pipe comprises:
First heat pipe, described first heat pipe is parts and surrounds the first side surface of described battery module and a part of lower surface;
Second heat pipe, described second heat pipe is parts and surrounds the second side surface of described battery module and a part of lower surface,
Wherein, on the lower surface, between the end of described first heat pipe and the end of described second heat pipe, there is gap.
13. 1 kinds of battery module assemblies, comprising:
Battery module, along a stacking multiple battery unit in direction in described battery module;
Module housing, battery module described in described module enclosures house and there is thermal conductivity;
First heat pipe, described first heat pipe comprises the first pontes and the first cooling segment, described the first pontes contacts with the first side surface of described module housing and connects, and described first cooling segment to extend and protruding from the first side surface of described module housing from described the first pontes;
Second heat pipe, described second heat pipe comprises the second coupling part and the second cooling segment, described second coupling part contacts with the second side surface of described module housing and connects, described second cooling segment from described second coupling part extend and protruding from the second side surface of described module housing;
First coldplate, described first coldplate has with the first major surface contacts of described first cooling segment and the first first type surface be connected and the second first type surface being wherein formed with the first cooling duct; And
Second coldplate, described second coldplate has with the first major surface contacts of described second cooling segment and the first first type surface be connected and the second first type surface being wherein formed with the second cooling duct.
14. battery module assemblies according to claim 13, also comprise supporting bracket, are mounted to the end covering described first heat pipe and described second heat pipe below the lower surface that described supporting bracket is arranged in described module housing.
15. battery module assemblies according to claim 13, wherein, described first cooling segment and described second cooling segment extend from described first heat pipe and described second heat pipe respectively, and are bent outwardly from described module housing and stretch out.
16. battery module assemblies according to claim 13, wherein, described module housing is aluminium shell.
17. battery module assemblies according to claim 13, wherein, in described battery module, multiple battery unit, along laterally stacking, makes the first type surface surface contact each other of each battery unit.
18. battery module assemblies according to claim 13, wherein,
First coldplate comprises with the first major surface contacts of described first cooling segment and coldplate on is connected first, and the first time coldplate be also connected with the second major surface contacts of described first cooling segment; And
Second coldplate comprises with the first major surface contacts of described second cooling segment and coldplate on is connected second, and the second time coldplate be also connected with the second major surface contacts of described second cooling segment.
19. battery module assemblies according to claim 13, wherein, described first heat pipe and described second heat pipe are connected by the first side surface of heat conductive filler and described module housing and the second side surface.
20. battery module assemblies according to claim 14, wherein, in described battery module, the stacking and stacking battery unit of each battery unit is connected to each other by heat conductive filler.
21. battery module assemblies according to claim 13, wherein, described battery unit is next door shape storage battery.
22. battery module assemblies according to claim 13, wherein, cooling agent flows through the fluid bore be formed in the first heat pipe and the second heat pipe, and the heat that described battery module produces is passed to described first cooling segment and described second cooling segment by the phase transformation of cooling agent.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020120078885A KR102002350B1 (en) | 2012-07-19 | 2012-07-19 | Battery Module Assembly |
| KR10-2012-0078885 | 2012-07-19 | ||
| PCT/KR2013/006468 WO2014014303A1 (en) | 2012-07-19 | 2013-07-19 | Battery module assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104604018A true CN104604018A (en) | 2015-05-06 |
| CN104604018B CN104604018B (en) | 2017-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380043980.7A Active CN104604018B (en) | 2012-07-19 | 2013-07-19 | battery module assembly |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US10283822B2 (en) |
| KR (1) | KR102002350B1 (en) |
| CN (1) | CN104604018B (en) |
| WO (1) | WO2014014303A1 (en) |
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| CN110364784A (en) * | 2019-01-18 | 2019-10-22 | 丰疆智能科技股份有限公司 | Mix the battery modules to radiate and its assemble method and heat dissipating method |
| CN113675494A (en) * | 2021-07-12 | 2021-11-19 | 东风汽车集团股份有限公司 | Heat pipe fin type cooling structure applied to power battery module |
| CN113675494B (en) * | 2021-07-12 | 2023-10-24 | 东风汽车集团股份有限公司 | Heat pipe fin type cooling structure applied to power battery module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104604018B (en) | 2017-07-21 |
| WO2014014303A1 (en) | 2014-01-23 |
| KR102002350B1 (en) | 2019-07-23 |
| US10283822B2 (en) | 2019-05-07 |
| KR20140014413A (en) | 2014-02-06 |
| US20150194714A1 (en) | 2015-07-09 |
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